These 3 mil standard barrier vacuum pouches have the safe handling instructions printed across the front. The nominal 3 mil nylon/polyethylene vacuum pouches on this page are acceptable for use up to and including 149_F as packaging material in direct contact with food product. The U.S. Department of Agriculture requires meat, poultry and dairy plants to secure and keep on file guarantees from packaging suppliers stating that their packaging materials comply with the Federal Food, Drug and Cosmetic Act. We would be happy to provide you with that letter of guarantee. These pouches are available in 5 sizes as a 3 side seal pouch.